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CHENG Zhiyuan,LI Zheng,WU Longfei,CHEN Kun,SUI Licheng
Abstract: Wireless power transmission technology can effectively solve the problems of wear,leakage and soon in the energy transmission process of traditional plug-in electrical equipment because of its non-physical contactenergy transmission mode. In view of this,a new type of secondary side magnetic ring strip typ...
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Number of views:4079 Amount of downloads:4186
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ZHANG Zhi,WANG Xinyu,WANG Lin
Abstract: At present,the most commonly used methods for identifying photovoltaic cell parameters areanalytical methods and intelligent optimization algorithms. The sparrow search algorithm(SSA)is a newlyproposed intelligent optimization algorithm. It has the advantages of traditional intelligent optimization algorit...
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Number of views:4048 Amount of downloads:3207
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TANG Taonan,WANG Jian
Abstract: Aiming at the fault-tolerant operation problem of induction motor driving system with sensorfailures,a smooth fault-tolerant control strategy combining indirect field-oriented control(IFOC),direct torquecontrol(DTC)and V/f control was proposed. The indirect field-oriented controller and the direct torque c...
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Number of views:4041 Amount of downloads:3758
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GAI Zhiqiang,XUE Bin,LIYajie
Abstract: The traditional fault location method lack effective fault location process,which leads to the increaseof ranging error,fault location time and complexity. In order to effectively solve the above problems,a new faultlocation method for multi-power distribution network based on traveling wave theory was des...
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Number of views:4023 Amount of downloads:3038
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HAN Jianfu,XIAO Chun,SONG Xiaobing,LU Jiansheng,WANG Feifei
Abstract: With the continuous advancement of China's energy Internet strategy,how to reduce the occurrenceof electricity theft has become a focus of research. The historical data of electricity consumption was processed andanalyzed,and the data of electricity consumption were processed and converted to realize t...
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Number of views:4022 Amount of downloads:3342
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TIAN Kai,WANG Ziman,CHU Zilin,YU Zhibin,YUAN Yuan,SONG Peng
Abstract: A method to extract the equivalent thermal resistance parameters of double-sided water-cooledheatsink was proposed. Based on this method,the real-time calculation of junction temperature and overtemperature protection of integrated gate commutation transistor(IGCT)power device were implemented by the water...
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Number of views:4020 Amount of downloads:3339
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ZHANG Yubo,LIU Xu,CAO Yang
Abstract: The hybrid excited segmental rotor flux switching permanent magnet(HESRFSPM)machine basedon eccentric pole was proposed. Under the condition of constant air gap area,the segmental rotor structure based on eccentric pole can reduce 2,4,10 radial air gap flux density space harmonic amplitudes by comparing ai...
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Number of views:4019 Amount of downloads:3627
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WANG Xing,TAN Peixiao,CHENG Zhijiang,MAWanqing,TIAN Bo
Abstract: Retired power batteries have poor parameter consistency,when they are used for energy storageafter series and parallel connections,the barrel effect is obvious and the failure rate is high. So the improved modular multilevel H-bridge converter(MMHC)distributed energy storage based on modular multilevel con...
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Number of views:4018 Amount of downloads:3797
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ZHANG Chao,QIU Han,LI Zhe,LIU Bochang,Zhang Baoshun,LI Chengyuan
Abstract: A control strategy of off-grid start-up of energy storage system(ESS)was proposed,which canmake all power converter systems(PCSs)entered off-grid mode smoothly and quickly in MW level battery energystorage power station,and make off-grid voltage set up. The unified off-grid phase angle and enable signal we...
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Number of views:4015 Amount of downloads:3953
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YOU Hao,SHI Hengchu,YANG Yuanhang,LI Yinyin,ZHU Qingcheng,XU Tengfei
Abstract: In order to solve the problems that the portable wave recording device needs to sample AC/DCvoltage samples with different input voltages,AC/DC current signals with different input currents and high sampling rate,an analog signal isolation sampling circuit was designed for portable wave recording device.Th...
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Number of views:4013 Amount of downloads:3762
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YANG Xinai,LI Bingran
Abstract: A dispatchable droop control method for multiple distributed generators which can be applied inislanded AC microgrids was proposed. In the proposed method,the first-order inertia elements was utilized toachieve pseudo hierarchical control so that the distributed generator(DG)could share the load automatica...
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Number of views:4004 Amount of downloads:3391
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LIU Shiqi,WANG Yajing,MEI Yu,ZHANG Xiangke,SHI Yao,DOU Zhenhai
Abstract: In order to solve the problem of extracting harmonic parameters by noise interference Pronyalgorithm,a harmonic analysis method based on ensemble local mean decomposition(ELMD),singular valuedecomposition(SVD)and Prony was proposed. Firstly, the noisy signal was decomposed by ELMD,and thedemarcation point ...
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Number of views:3968 Amount of downloads:3555
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WANG Fenglian,WEI Zhengyi,ZHOU Mingzhu,CAO Yichang,HAO Yangyang,DING Xinping
Abstract: Aiming at the deficiency in boost capacity of the traditional booster circuit,a new type of coupledinductance high-gain DC-DC converter(Fibonacci switch capacitor-Y sources DC-DC converter,FSCYS)was proposed. Using sliding mode variable structure control with superior dynamic response performance and robus...
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Number of views:3963 Amount of downloads:3946
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WU Ming,LÜ Zhipeng,WANG Xin,YANG Wanli,ZHOU Shan,LIU Xiaojuan
Abstract: Multi-energy complementary DC micro-grid is of great significance to achieve sustainable energydevelopment. Based on the typical DC micro-grid with various energy forms including wind,solar,gas and battery,a multi-energy DC micro-grid operation control strategy considering the complementary inertia of gas ...
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Number of views:3949 Amount of downloads:3464
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FANG Biwu,XIAO Liang ,SUN Cheng,CHEN Yiping,XUE Yanjun,ZHANG Deliang
Abstract: In order to improve the absorption capacity of clean energy and make full use of the peak regulationresources of each province,the peak regulation capacity of different types of power sources was studied,and aregional power grid optimization dispatching method considering the mutual aid of peak regulation ...
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Number of views:3940 Amount of downloads:3074